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74

OVIDUCTS OF MARSUPIALS

B

FIG. 48.—Female urlno - genital
apparatus of various Marsu-
pials. A, Didelpkys dorsigera
(young) ; B, Trichosurus ;
C, JPhascolomys wombat. Bt
Urinary bladder ; Cl,
" cloaca " ; Fim, fimbriae ;
ff, clitoris ; Jtf, kidney ; Odt
Fallopian tube; Ot, aper-
ture of Fallopian tube; Ov,
ovary ; r» rectum ; Spt sep-
tum dividing vagina; &ugr,
•arino - genital sinus ; Ur,
ureter ; Ui, uterus ; Utf,
opening of the uterus into
the median vagina (VyJH) ;
Vff, lateral vagina ; Vtf9 its
opening into the urino-genital
sinus ; f (in B), point of
approximation of uteri; 1* (in
C) and *, rectal glands, (From
Wiedersheirn's
Anatomy,)

extruded ova to.follow.     This series of steps in the perfecting
of the mode of safe extrusion of the ova is highly interesting.